We aim to provide keyboard-accessible navigation, visible focus, semantic headings, descriptive links, responsive layouts, text alternatives and sufficient contrast.
Tools
Calculator forms use associated labels and text results. Results do not rely on colour alone.
Known limitations
Third-party advertising or consent interfaces are controlled by their providers. External official documents may use PDF or interactive formats outside this site’s control.
Feedback
Report a specific accessibility barrier through the limited contact page, including the page address, device or assistive technology and the task that could not be completed.